./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ebdf94362dc31684fc6d7640230484df679da941d20fe978f9edfe1d75c48a51 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:15:04,998 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:15:05,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:15:05,161 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:15:05,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:15:05,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:15:05,214 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:15:05,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:15:05,216 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:15:05,223 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:15:05,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:15:05,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:15:05,226 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:15:05,228 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:15:05,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:15:05,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:15:05,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:15:05,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:15:05,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:15:05,232 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:15:05,233 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:15:05,233 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:15:05,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:15:05,235 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:15:05,236 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:15:05,237 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:15:05,237 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:15:05,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:15:05,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:05,239 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:15:05,241 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:15:05,241 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:15:05,242 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:15:05,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:15:05,242 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:15:05,243 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebdf94362dc31684fc6d7640230484df679da941d20fe978f9edfe1d75c48a51 [2023-11-23 20:15:05,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:15:05,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:15:05,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:15:05,670 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:15:05,671 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:15:05,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2023-11-23 20:15:09,438 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:15:09,741 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:15:09,742 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2023-11-23 20:15:09,757 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/data/73ad1910d/ba958eebfab84186939190194004e271/FLAG6890eaee8 [2023-11-23 20:15:09,774 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/data/73ad1910d/ba958eebfab84186939190194004e271 [2023-11-23 20:15:09,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:15:09,779 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:15:09,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:09,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:15:09,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:15:09,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:09" (1/1) ... [2023-11-23 20:15:09,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75501bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:09, skipping insertion in model container [2023-11-23 20:15:09,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:09" (1/1) ... [2023-11-23 20:15:09,838 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:15:10,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:10,135 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:15:10,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:10,187 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:15:10,187 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:15:10,199 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:15:10,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:10 WrapperNode [2023-11-23 20:15:10,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:10,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:10,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:15:10,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:15:10,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:10" (1/1) ... [2023-11-23 20:15:10,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:10" (1/1) ... [2023-11-23 20:15:10,268 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 165 [2023-11-23 20:15:10,269 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:10,270 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:15:10,270 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:15:10,270 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:15:10,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:10" (1/1) ... [2023-11-23 20:15:10,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:10" (1/1) ... [2023-11-23 20:15:10,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:10" (1/1) ... [2023-11-23 20:15:10,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:10" (1/1) ... [2023-11-23 20:15:10,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:10" (1/1) ... [2023-11-23 20:15:10,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:10" (1/1) ... [2023-11-23 20:15:10,313 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:10" (1/1) ... [2023-11-23 20:15:10,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:10" (1/1) ... [2023-11-23 20:15:10,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:15:10,334 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:15:10,335 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:15:10,335 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:15:10,340 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:10" (1/1) ... [2023-11-23 20:15:10,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:10,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:15:10,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:15:10,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:15:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:15:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:15:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:15:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:15:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:15:10,456 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:15:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:15:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:15:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:15:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:15:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:15:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:15:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:15:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:15:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:15:10,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:15:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:15:10,462 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:15:10,604 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:15:10,607 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:15:11,205 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:15:11,495 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc plus_#t~short21#1;assume plus_~a#1 + plus_~b#1 >= -2147483648;assume plus_~a#1 + plus_~b#1 <= 2147483647;plus_#res#1 := plus_~a#1 + plus_~b#1;#t~ret3#1 := plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;havoc plus_#in~a#1, plus_#in~b#1;assume { :end_inline_plus } true;assume -2147483648 <= #t~ret3#1 && #t~ret3#1 <= 2147483647;~tmp~0#1 := #t~ret3#1;havoc #t~mem2#1;havoc #t~ret3#1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:15:11,500 INFO L158 Benchmark]: Toolchain (without parser) took 1719.76ms. Allocated memory is still 159.4MB. Free memory was 130.1MB in the beginning and 104.9MB in the end (delta: 25.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-23 20:15:11,501 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory was 100.8MB in the beginning and 100.6MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:15:11,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.35ms. Allocated memory is still 159.4MB. Free memory was 129.8MB in the beginning and 118.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:15:11,504 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.16ms. Allocated memory is still 159.4MB. Free memory was 117.9MB in the beginning and 116.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:15:11,505 INFO L158 Benchmark]: Boogie Preprocessor took 63.50ms. Allocated memory is still 159.4MB. Free memory was 116.2MB in the beginning and 114.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:15:11,506 INFO L158 Benchmark]: RCFGBuilder took 1163.83ms. Allocated memory is still 159.4MB. Free memory was 114.2MB in the beginning and 104.9MB in the end (delta: 9.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 20:15:11,519 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory was 100.8MB in the beginning and 100.6MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.35ms. Allocated memory is still 159.4MB. Free memory was 129.8MB in the beginning and 118.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.16ms. Allocated memory is still 159.4MB. Free memory was 117.9MB in the beginning and 116.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.50ms. Allocated memory is still 159.4MB. Free memory was 116.2MB in the beginning and 114.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1163.83ms. Allocated memory is still 159.4MB. Free memory was 114.2MB in the beginning and 104.9MB in the end (delta: 9.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc plus_#t~short21#1;assume plus_~a#1 + plus_~b#1 >= -2147483648;assume plus_~a#1 + plus_~b#1 <= 2147483647;plus_#res#1 := plus_~a#1 + plus_~b#1;#t~ret3#1 := plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;havoc plus_#in~a#1, plus_#in~b#1;assume { :end_inline_plus } true;assume -2147483648 <= #t~ret3#1 && #t~ret3#1 <= 2147483647;~tmp~0#1 := #t~ret3#1;havoc #t~mem2#1;havoc #t~ret3#1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc plus_#t~short21#1;assume plus_~a#1 + plus_~b#1 >= -2147483648;assume plus_~a#1 + plus_~b#1 <= 2147483647;plus_#res#1 := plus_~a#1 + plus_~b#1;#t~ret3#1 := plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;havoc plus_#in~a#1, plus_#in~b#1;assume { :end_inline_plus } true;assume -2147483648 <= #t~ret3#1 && #t~ret3#1 <= 2147483647;~tmp~0#1 := #t~ret3#1;havoc #t~mem2#1;havoc #t~ret3#1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:15:11,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ebdf94362dc31684fc6d7640230484df679da941d20fe978f9edfe1d75c48a51 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:15:14,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:15:15,038 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:15:15,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:15:15,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:15:15,107 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:15:15,111 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:15:15,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:15:15,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:15:15,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:15:15,122 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:15:15,122 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:15:15,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:15:15,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:15:15,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:15:15,126 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:15:15,127 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:15:15,127 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:15:15,128 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:15:15,129 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:15:15,130 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:15:15,131 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:15:15,131 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:15:15,132 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:15:15,132 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:15:15,132 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:15:15,133 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:15:15,133 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:15:15,134 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:15:15,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:15:15,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:15,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:15:15,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:15:15,137 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:15:15,137 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:15:15,138 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:15:15,138 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:15:15,138 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:15:15,139 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:15:15,140 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebdf94362dc31684fc6d7640230484df679da941d20fe978f9edfe1d75c48a51 [2023-11-23 20:15:15,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:15:15,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:15:15,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:15:15,625 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:15:15,627 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:15:15,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2023-11-23 20:15:18,835 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:15:19,105 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:15:19,106 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2023-11-23 20:15:19,115 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/data/0418e5bbf/dc02704a1d1647878b47bad19629dedd/FLAG36b3aa97b [2023-11-23 20:15:19,131 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/data/0418e5bbf/dc02704a1d1647878b47bad19629dedd [2023-11-23 20:15:19,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:15:19,135 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:15:19,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:19,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:15:19,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:15:19,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:19" (1/1) ... [2023-11-23 20:15:19,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b455f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:19, skipping insertion in model container [2023-11-23 20:15:19,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:19" (1/1) ... [2023-11-23 20:15:19,172 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:15:19,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:19,423 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-23 20:15:19,428 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:15:19,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:19,455 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:15:19,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:19,496 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:15:19,496 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:15:19,504 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:15:19,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:19 WrapperNode [2023-11-23 20:15:19,505 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:19,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:19,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:15:19,507 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:15:19,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:19" (1/1) ... [2023-11-23 20:15:19,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:19" (1/1) ... [2023-11-23 20:15:19,562 INFO L138 Inliner]: procedures = 28, calls = 41, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 161 [2023-11-23 20:15:19,563 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:19,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:15:19,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:15:19,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:15:19,573 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:19" (1/1) ... [2023-11-23 20:15:19,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:19" (1/1) ... [2023-11-23 20:15:19,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:19" (1/1) ... [2023-11-23 20:15:19,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:19" (1/1) ... [2023-11-23 20:15:19,590 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:19" (1/1) ... [2023-11-23 20:15:19,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:19" (1/1) ... [2023-11-23 20:15:19,596 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:19" (1/1) ... [2023-11-23 20:15:19,599 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:19" (1/1) ... [2023-11-23 20:15:19,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:15:19,604 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:15:19,605 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:15:19,605 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:15:19,606 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:19" (1/1) ... [2023-11-23 20:15:19,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:19,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:15:19,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:15:19,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:15:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:15:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:15:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:15:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:15:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:15:19,687 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:15:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:15:19,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:15:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:15:19,688 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:15:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:15:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:15:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:15:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:15:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:15:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:15:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:15:19,690 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:15:19,826 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:15:19,828 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:15:20,307 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:15:20,542 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc plus_#t~short21#1;assume ~bvsle~33(6442450944bv33, ~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)));assume ~bvsle~33(~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)), 2147483647bv33);plus_#res#1 := ~bvadd~32(plus_~a#1, plus_~b#1);#t~ret3#1 := plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;havoc plus_#in~a#1, plus_#in~b#1;assume { :end_inline_plus } true;~tmp~0#1 := #t~ret3#1;havoc #t~mem2#1;havoc #t~ret3#1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:15:20,547 INFO L158 Benchmark]: Toolchain (without parser) took 1410.44ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 58.9MB in the beginning and 58.4MB in the end (delta: 501.7kB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2023-11-23 20:15:20,548 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 81.8MB. Free memory was 57.8MB in the beginning and 57.7MB in the end (delta: 142.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:15:20,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.52ms. Allocated memory is still 81.8MB. Free memory was 58.7MB in the beginning and 44.6MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:15:20,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.09ms. Allocated memory is still 81.8MB. Free memory was 44.4MB in the beginning and 42.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:15:20,550 INFO L158 Benchmark]: Boogie Preprocessor took 39.62ms. Allocated memory is still 81.8MB. Free memory was 42.5MB in the beginning and 40.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:15:20,550 INFO L158 Benchmark]: RCFGBuilder took 940.60ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 40.3MB in the beginning and 58.4MB in the end (delta: -18.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-11-23 20:15:20,554 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 81.8MB. Free memory was 57.8MB in the beginning and 57.7MB in the end (delta: 142.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.52ms. Allocated memory is still 81.8MB. Free memory was 58.7MB in the beginning and 44.6MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.09ms. Allocated memory is still 81.8MB. Free memory was 44.4MB in the beginning and 42.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.62ms. Allocated memory is still 81.8MB. Free memory was 42.5MB in the beginning and 40.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 940.60ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 40.3MB in the beginning and 58.4MB in the end (delta: -18.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc plus_#t~short21#1;assume ~bvsle~33(6442450944bv33, ~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)));assume ~bvsle~33(~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)), 2147483647bv33);plus_#res#1 := ~bvadd~32(plus_~a#1, plus_~b#1);#t~ret3#1 := plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;havoc plus_#in~a#1, plus_#in~b#1;assume { :end_inline_plus } true;~tmp~0#1 := #t~ret3#1;havoc #t~mem2#1;havoc #t~ret3#1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc plus_#t~short21#1;assume ~bvsle~33(6442450944bv33, ~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)));assume ~bvsle~33(~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)), 2147483647bv33);plus_#res#1 := ~bvadd~32(plus_~a#1, plus_~b#1);#t~ret3#1 := plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;havoc plus_#in~a#1, plus_#in~b#1;assume { :end_inline_plus } true;~tmp~0#1 := #t~ret3#1;havoc #t~mem2#1;havoc #t~ret3#1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:15:20,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c867a6-3559-448d-a1b6-d3f70dea666b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc plus_#t~short21#1;assume ~bvsle~33(6442450944bv33, ~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)));assume ~bvsle~33(~bvadd~33(~sign_extend~33~32(plus_~a#1), ~sign_extend~33~32(plus_~b#1)), 2147483647bv33);plus_#res#1 := ~bvadd~32(plus_~a#1, plus_~b#1);#t~ret3#1 := plus_#res#1;havoc plus_#t~short20#1, plus_#t~short21#1, plus_~a#1, plus_~b#1;havoc plus_#in~a#1, plus_#in~b#1;assume { :end_inline_plus } true;~tmp~0#1 := #t~ret3#1;havoc #t~mem2#1;havoc #t~ret3#1;). Is there illegal control flow (e.g. loops) within an atomic block?